SWI Parts 2" x50ft Aluminized Fiberglass Exhaust Header Wrap Pipe W/8 Stainless Steel Zip Ties Dimensions: 2" (Width) X 1/16" (Thick) X 50ft (Length) (Inner) 100% Fiberglass (Outer) Aluminum Alloy Mylar Film Rated 1200F continuous, 2000F intermittent Increase engine performance Very durable and easy to work with